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    SubjectRe: [ 06/41] PCI: ignore pre-1.1 ASPM quirking when ASPM is disabled
    On Sat, Mar 31, 2012 at 04:23:56AM +0100, Ken Moffat wrote:

    [ update : 3.4.0-rc1 boots without reverting this ]
    > On Fri, Mar 16, 2012 at 04:38:16PM -0700, Greg KH wrote:
    > > 3.2-stable review patch. If anyone has any objections, please let me know.
    > >
    > > ------------------
    > >
    > > From: Matthew Garrett <mjg@redhat.com>
    > >
    > > commit 4949be16822e92a18ea0cc1616319926628092ee upstream.
    > >
    > > Right now we won't touch ASPM state if ASPM is disabled, except in the case
    > > where we find a device that appears to be too old to reliably support ASPM.
    > > Right now we'll clear it in that case, which is almost certainly the wrong
    > > thing to do. The easiest way around this is just to disable the blacklisting
    > > when ASPM is disabled.
    > >
    > > Signed-off-by: Matthew Garrett <mjg@redhat.com>
    > > Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
    > > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    > >
    >
    > Sorry for the late response, but I bought a new machine this week
    > (low-end i3) and this has bitten me. I prepared a "generic" x86_64
    > kernel using 3.2.9, which I hoped would be good enough to get me
    > started, and later prepared another using 3.3.0. Long story short -
    > 3.2.9 was adequate, 3.3.0 crashes early in boot (before switching
    > from the 80x25 console to kms). All the interesting part has
    > scrolled off the screen, and it's too early to get logged.
    >
    [...]
    > Trial and error showed this commit seemed to be the
    > problem.
    >
    > I then reverted this commit from 3.3.0, and took my amended .config
    > which works adequately in vanilla 3.2.8. I'm now running that.
    >
    BUT, for 3.4.0-rc1 I don't need to revert it - just went with the
    defaults for additions in menuconfig, and it boots fine. Maybe
    something else needs to be backported ?

    ken
    --
    das eine Mal als Tragödie, das andere Mal als Farce
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